alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Jenkins Unauthenticated RCE Attempt Observed (CVE-2024-23897)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/cli?remoting="; startswith; fast_pattern; http.request_body; content:"|00|"; within:30; content:"@"; distance:0; within:10; reference:cve,2024-23897; classtype:attempted-admin; sid:2050517; rev:1; metadata:affected_product Jenkins, attack_target Server, created_at 2024_01_29, cve CVE_2024_23897, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_01_29, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)